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fix(domain): allow single-label hostnames without a TLD

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This commit is contained in:
Narciso 2026-08-04 17:38:13 -04:00
parent 0124613516
commit 5d231bf3e3
2 changed files with 5 additions and 3 deletions
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4
apps/dokploy/__test__/utils/hostname-validation.test.ts
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@ -9,6 +9,9 @@ describe("VALID_HOSTNAME_REGEX", () => {
"a.b.c.example.co",
"xn--80ak6aa92e.com",
"123.example.com",
"example",
"dokploy-server",
"localhost",
])("accepts valid hostname %s", (host) => {
expect(VALID_HOSTNAME_REGEX.test(host)).toBe(true);
});
@ -17,7 +20,6 @@ describe("VALID_HOSTNAME_REGEX", () => {
"bbn_client.example.com",
"-example.com",
"example-.com",
"example",
"exa mple.com",
"example..com",
"",

4
packages/server/src/utils/hostname-validation.ts
View File

@ -1,8 +1,8 @@
// Valid hostname per RFC 1123: labels of letters, digits and hyphens
// (no leading/trailing hyphen), separated by dots. Underscores are rejected
// (no leading/trailing hyphen), optionally separated by dots. Underscores are rejected
// because Let's Encrypt refuses to issue certificates for them.
export const VALID_HOSTNAME_REGEX =
/^(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$/;
/^(?:[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)*[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$/;
export const INVALID_HOSTNAME_MESSAGE =
"Invalid domain name. Use only letters, numbers, hyphens and dots (e.g. example.com). Underscores are not allowed.";